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Patent Searching and Data


Title:
ANTENNA DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/060167
Kind Code:
A1
Abstract:
The present invention provides an antenna device having a simple configuration for multiband operation. The antenna device is provided with: a first antenna element which is provided in a first layer of a multi-layer substrate and has a first frequency band; a second antenna element which is provided in a second layer of the multi-layer substrate different from the first layer, and has a second frequency band lower than the first frequency band; a ground substrate; a first feeding line path extending from the first antenna element toward the ground substrate; a second feeding line path extending from the second antenna element toward the ground substrate; and a filter connecting the second antenna element and the ground substrate, the filter passing a signal of the first frequency band and blocking a signal of the second frequency band.

Inventors:
UEJIMA HIROYUKI
Application Number:
PCT/JP2020/035370
Publication Date:
April 01, 2021
Filing Date:
September 18, 2020
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H01Q13/08; H01Q21/08; H01Q21/30
Foreign References:
JP2001077623A2001-03-23
JP2000151250A2000-05-30
JP2001500329A2001-01-09
JP2003309424A2003-10-31
JP2000183643A2000-06-30
JP2019176796A2019-10-17
Other References:
See also references of EP 4037099A4
Attorney, Agent or Firm:
WASHIDA & ASSOCIATES (JP)
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